Norman weather in May

In May, Norman sees average daytime highs of 79°F and overnight lows near 60°F, with 4.4 in of rain across 10.7 wet days and about 13.8 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 75°F in the first days to 83°F by the end. The sky is clear or mostly clear about 39% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 24 min at the start of May to 14 h 12 min by month's end. Set against the rest of the year, May is Norman's 12th-clearest and 3rd-windiest month. For the whole year in context, see Norman's year-round climate.

Daytime high
79°
5th warmest
Overnight low
60°
8th coldest
Rainfall
4.4 in
10.7 wet days
Daylight
13 h 48 min
5:31 AM – 7:21 PM
Cloud cover
53%
12th clearest
Wind
9 mph
3rd windiest
Solar energy
6.04 kWh/m²
Travel score
6.6
out of 10

Norman is city in Oklahoma, United States of America.

Density
261/km²
people per km²
Founded
1889

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 75°F in the first days to 83°F by the end.

A typical May day in Norman reaches about 79°F in the afternoon and slips back to 60°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 69°F and 88°F. Set against its neighbours, May runs about 8°F warmer than April and about 8°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
17455
27555
37556
47556
57656
67657
77657
87758
97758
107758
117859
127859
137860
147960
157960
167961
178061
188061
198062
208062
218162
228163
238163
248264
258264
268264
278364
288365
298365
308365
318466

How May really feels in Norman

Once humidity and wind are folded in, May averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Norman weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan49° / 31°1.54.719.92.5
Feb54° / 34°1.85.71.310.73.7
Mar63° / 42°2.97.70.711.75.9
Apr71° / 51°3.98.6012.96.9
May79° / 60°4.410.7013.86.6
Jun88° / 69°3.79014.34.7
Jul93° / 73°2.26.3014.13.5
Aug92° / 72°2.26.5013.33.8
Sep84° / 64°2.96.6012.26.3
Oct73° / 52°3.07011.17.6
Nov61° / 41°2.05.80.410.15.6
Dec51° / 33°1.95.11.29.72.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35149
45248
55248
65347
75347
85347
95347
105446
115446
125545
135545
145545
155644
165545
175446
185446
195446
205347
215347
225347
235347
245347
255347
265347
275446
285446
295446
305545
315644

Chance of precipitation in May

Any precipitation

Norman gets around 4.4 in of rain over 10.7 wet days in May, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
134
234
334
434
535
635
735
835
934
1034
1134
1234
1334
1434
1534
1634
1734
1834
1934
2034
2134
2234
2334
2434
2535
2635
2735
2835
2935
3035
3135

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 20% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
161171660
259171770
357171970
454182080
552182190
651182290
7481824100
8461825110
9441826110
10431827120
11411828130
12401828130
13381829140
14371830150
15361830160
16341831170
17331732181
18311732191
19291733211
20281633221
21261633241
22241633251
23231634271
24211634281
25191634301
26181633321
27161533342
28151533352
29141532372
30131531392
31121531402

Wind in May

Winds average 9 mph in May.

Across May, daily wind ranges from about 9 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
110light breeze
210light breeze
310light breeze
410light breeze
510light breeze
610light breeze
710light breeze
810light breeze
910light breeze
1010light breeze
1110light breeze
1210light breeze
1310light breeze
1410light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 24 min at the start of May to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over May. Sunrise moves from 5:45 AM to 5:22 AM, and sunset from 7:09 PM to 7:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:457:09
213.45:447:10
313.55:437:11
413.55:427:12
513.55:417:12
613.65:407:13
713.65:397:14
813.65:387:15
913.75:377:16
1013.75:367:17
1113.75:357:17
1213.75:347:18
1313.85:337:19
1413.85:327:20
1513.85:317:21
1613.85:317:21
1713.95:307:22
1813.95:297:23
1913.95:287:24
2013.95:287:25
2114.05:277:25
2214.05:267:26
2314.05:267:27
2414.05:257:28
2514.15:257:28
2614.15:247:29
2714.15:247:30
2814.15:237:30
2914.15:237:31
3014.25:227:32
3114.25:227:32

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.04 kWh/m².

For context, solar energy here swings from a low near 2.5 kWh/m² to a high of 6.89 kWh/m² in July across the year — May's 6.04 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
86.0Bright
96.0Bright
106.0Intense
116.0Intense
126.0Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in May

Is May a good time to visit Norman?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.6
Sightseeing
3rd-best month of the year
6.4
Beach & pool
5th-best month of the year

May is a reasonable time to visit Norman for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Norman in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Norman sees daytime highs around 79°F and nights near 60°F. Pack sun protection. Worth having: light clothes and rain gear. About 11 days see rain.

sun protectionlight clothesrain gear

UV index in Norman in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Norman peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr9Very high
May8Very high
Jun10Extreme
Jul10Extreme
Aug10Very high
Sep7Very high
Oct5High
Nov4Moderate
Dec3Moderate
Location & terrain

Where is Norman?

Norman sits at 35.2°N, 97.4°W, 1,171 ft above sea level, in United States. The nearest listed city is Moore, 8.7 mi away.

Topography around Norman

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Norman.

Within 2 miles, the terrain around Norman has only modest variations in elevation — a maximum elevation change of 125 ft around an average of 1,178 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 322 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 938 ft.

The land around Norman is covered by artificial surfaces (47%), trees (29%) and grassland (22%) within 2 miles, grassland (44%) and trees (34%) within 10 miles, and grassland (51%) and trees (33%) within 50 miles.

2 miles
125 ft
10 miles
322 ft
50 miles
938 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Moore 8.7 mi · Del City 15 mi · Midwest City 16 mi · Oklahoma City 17 mi · Mustang 19 mi · Bethany 23 mi · Yukon 27 mi · Edmond 30 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Norman (35.2226°, -97.4395°, elevation 1,171 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).